Most bodies larger than several hundred kilometers in radius satisfy the latter criterion. 直径超过数百公里的天体,大多能满足后者; edba.ncl.edu.tw 6. Mars has two small satellites. Even the larger one is no more than 13 km in radius. Unlike the Moon, they are not round in shape. 火星有...
The radius of the Earth is about 4,000 miles. If the central angle between two cities is 150 degrees, what is the exact distance between the two cities? The distance around the earth is 40,074 kilometers. Find the equit...
What is the circumference of the Oort cloud? How big is Aldebaran? What color is Betelgeuse? What is the range of the Oort cloud in astronomical units? What is the diameter of Comet Halley? How big is VY Canis Majoris? What is the diameter of Ceres in kilometers? What is the diameter...
Most bodies larger than several hundred kilometers in radius satisfy the latter criterion. 直径超过数百公里的天体,大多能满足后者; edba.ncl.edu.tw 6. Mars has two small satellites. Even the larger one is no more than 13 km in radius. Unlike the Moon, they are not round in shape. 火星有...
What is the escape velocity on the surface of earth given that acceleration due to gravity will be 36 percent of its value on the surface of earth? The mean radius is 6400 kilometers. The radius of the Earth R_E = 6.378 \times ...
Average speed of the object = {eq}\displaystyle\frac{2\pi r}{t} {/eq} Answer and Explanation:1 We are given the average speed of earth as 67,000 mph (miles per hour) The time taken by earth to complete one revolution around the sun is 365 ...
An astronaut with a mass of 70kg is sent to land on Planet X, which is 56 million kilometers away. The spacecraft can travel at a max velocity of 7.0 \times 10^5 km/h. Planet X is slightly smaller than Earth, with a...
The sun's mass is 1.99×1030 kg and it has a radius of 6.96×108 m. What is the Sun's gravitational field strength at its surface? The sun's gravitational field strength at its surface: The gravitational field strength at...